package com.itheima.reggie.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.reggie.common.R;
import com.itheima.reggie.domian.Category;
import com.itheima.reggie.service.CategoryService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.List;

/**
 * @author 何须浅碧深红色
 * @date 2022/9/13
 */
@RestController
@RequestMapping("/category")
public class CategoryController {
    @Autowired
    private CategoryService categoryService;
    //新增分类
    @PostMapping
    public R<String> save(@RequestBody Category category){
        categoryService.save(category);
        return R.success("菜品添加成功");
    }
    @GetMapping("/page")
    public R<Page> page(int page,int pageSize){
        //分页构造器
        Page<Category> pageInfo = new Page<>(page,pageSize);
        //创建条件构造器Lambda表达式
        LambdaQueryWrapper<Category> wrapper = new LambdaQueryWrapper<>();
        //条件查询
        wrapper.orderByAsc(Category::getSort);
        //进行分页查询
        categoryService.page(pageInfo,wrapper);
        return R.success(pageInfo);
    }

    @DeleteMapping
    //删除菜品
    public R<String> delete(Long id){
//        categoryService.removeById(id);
        categoryService.remove(id);
        return R.success("删除成功");
    }
    @PutMapping
    public R<String> update(@RequestBody Category category){
        categoryService.updateById(category);
        return R.success("修改成功");
    }
    @GetMapping("/list")
    public R<List<Category>> list(Category category){
        LambdaQueryWrapper<Category> wrapper = new LambdaQueryWrapper<>();
        wrapper.eq(category.getType()!=null,Category::getType,category.getType());
        wrapper.orderByAsc(Category::getSort).orderByDesc(Category::getUpdateTime);
        List<Category> list = categoryService.list(wrapper);
        return R.success(list);
    }
}
